Operation for congenital megacolon in a hemophilic patient.

A 13-year-old boy with congenital megacolon and hemophilia A underwent a Duhamel operation and closure of colostomy with administration of large amounts of antihemophilic factor. The intraoperative level of this factor was 80%, and the postoperative level was maintained at about 70% during the first week and at 30% during the second week. There was no bleeding tendency during or after surgery.